Home / 5,478.24-8,206.88-3,623.88

Finding the Fourth Proportional to 5,478.24, 8,206.88 and 3,623.88

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Solution

The fourth proportional to 5,478.24, 8,206.88 and 3,623.88 is: 5,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.24 : 8,206.88 = 3,623.88 : x
  2. Step 2: Convert to fraction form
    5,478.24/8,206.88 = 3,623.88/x
  3. Step 3: Cross multiply
    5,478.24x = 8,206.88 × 3,623.88
  4. Step 4: Simplify right side
    5,478.24x = 29,740,748.29
  5. Step 5: Solve for x
    x = 29,740,748.29/5,478.24
  6. Step 6: Final answer
    x = 5,428.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.